Hair brush



FIG. 1 is a first perspective view of the hair brush in accordance with the principles of the present disclosure;

FIG. 2 is a rear axial view of the hair brush;

FIG. 3 is a first side elevation view of the hair brush;

FIG. 4 is a front axial view of the hair brush; and,

FIG. 5 is a second side elevation view of the hair brush;

Any portions of the figures shown in broken lines are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for the hair brush, as shown and described. 